--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genpwd.py	Fri Feb 07 12:37:13 2025 +0100
@@ -0,0 +1,104 @@
+#!/usr/local/bin/python3
+# -*- coding: utf-8 -*-
+#
+# @(#)$Id: //Administration/Server/Konfiguration/Dateien/_main/fmgbackup4/root/bin/genpwd.py#1 $
+# $Change: 28588 $ $DateTime: 2018/10/31 13:11:48 $ $Author: fag $
+#
+r"""Generate passwords.
+
+Usage: genpwd.py [ Options ] required_length
+
+Options:
+
+  --type, -t    web, web-safe, web-safe2, base64, base32, ascii85
+
+:Author:  Franz Glasner
+
+"""
+
+from __future__ import (division, absolute_import, print_function)
+
+__author__ = "Franz Glasner"
+
+__version__ = "0.1"
+
+
+import getopt
+import sys
+import os
+import base64
+
+
+WEB_CHARS = b"ABCDEFGHIJKLMNOPQRSTUVWYXZabcdefghijklmnopqrstuvwxyz0123456789.,-_;!()[]{}*"
+WEB_SAFE_CHARS = b"ABCDEFGHJKLMNPQRSTUVWYXZabcdefghijkmnopqrstuvwxyz23456789.,-_;!"
+WEB_SAFE2_CHARS = b".,-_;!" + WEB_SAFE_CHARS
+
+PY2 = sys.version_info[0] <= 2
+
+
+def main():
+    opt_type = "web-safe2"
+    opts, args = getopt.getopt(sys.argv[1:],
+                               "t:",
+                               ["type="])
+    for opt, val in opts:
+        if opt in ("-t", "--type"):
+            if val not in ("web", "web-safe", "web-safe2",
+                           "base64", "base32", "ascii85", ):
+                raise getopt.GetoptError("invalid type: %s" % val, "")
+            opt_type = val
+        else:
+            raise RuntimeError("inconsistent getopt handling")
+
+    try:
+        req_length = int(args[0], 10)
+    except IndexError:
+        raise getopt.GetoptError("no length given")
+
+    if opt_type == "web":
+        pwd = gen_web(req_length, WEB_CHARS)
+    elif opt_type == "web-safe":
+        pwd = gen_web(req_length, WEB_SAFE_CHARS)
+    elif opt_type == "web-safe2":
+        pwd = gen_web(req_length, WEB_SAFE2_CHARS)
+    elif opt_type == "base64":
+        encoder = base64.b64encode
+        pwd = gen_bin(req_length, encoder)
+    elif opt_type == "base32":
+        encoder = base64.b32encode
+        pwd = gen_bin(req_length, encoder)
+    elif opt_type == "ascii85":
+        encoder = base64.a85encode
+        pwd = gen_bin(req_length, encoder)
+    else:
+        raise NotImplementedError("type not yet implemented: %s" % opt_type)
+    print(pwd)
+
+
+def gen_web(length, chars):
+    mult = 256//len(chars)
+    repertoire = chars * mult
+    assert len(repertoire) <= 256
+    pwd = []
+    while len(pwd) < length:
+        c = os.urandom(1)
+        if PY2:
+            c = ord(c)
+        else:
+            c = c[0]
+        if c < len(repertoire):
+            pwd.append(repertoire[c])
+    if PY2:
+        pwd = b''.join(pwd)
+    else:
+        pwd = bytes(pwd)
+    return pwd
+
+
+def gen_bin(length, encoder):
+    pwd = encoder(os.urandom(length))
+    return pwd[:length]
+
+
+if __name__ == "__main__":
+    main()